Patents by Inventor Ian R. Matthews

Ian R. Matthews has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5585513
    Abstract: A compound of the formula: ##STR1## useful as an intermediate in the preparation of fungicides.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: December 17, 1996
    Assignee: Zeneca Limited
    Inventors: Ian R. Matthews, Christoher R. A. Godfrey, John M. Clough
  • Patent number: 5439910
    Abstract: Compounds having formula (I) ##STR1## wherein R.sup.1, R.sup.2 and A are defined as in the specification. The compounds are useful as fungicides.
    Type: Grant
    Filed: October 12, 1993
    Date of Patent: August 8, 1995
    Assignee: Zeneca Limited
    Inventors: Paul J. de Fraine, John M. Clough, Paul A. Worthington, Brian L. Pilkington, Ian R. Matthews
  • Patent number: 5438066
    Abstract: Fungicidal and insecticidal compounds having the general formula (I): ##STR1## or a stereoisomer thereof, wherein A is CH or N; B is OCH.sub.3 or NHCH.sub.3 ; one of L and M is N and the other is S or O; X is an optionally substituted carbocyclic or heterocyclic group; and n is 0 or 1.
    Type: Grant
    Filed: October 27, 1993
    Date of Patent: August 1, 1995
    Assignee: Zeneca Limited
    Inventor: Ian R. Matthews
  • Patent number: 5342837
    Abstract: Fungicidal compounds having the formula (I): ##STR1## and stereoisomers thereof, wherein A is hydrogen, halo, hydroxy, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, C.sub.1-4 haloalkyl, C.sub.1-4 haloalkoxy, C.sub.1-4 alkylcarbonyl, C.sub.1-4 alkoxycarbonyl, phenoxy, nitro or cyano; R.sup.1 and R.sup.2, which may be the same or different, are hydrogen, optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted heterocyclylalkyl, optionally substituted cycloalkylalkyl, optionally substituted aralkyl, optionally substituted aryloxyalkyl, optionally substituted heterocyclyloxyalkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted alkoxy, optionally substituted aryl, optionally substituted heterocyclyl, optionally substituted aryloxy, optionally substituted heterocyclyloxy, nitro halo cyano, --NR.sup.3 R.sup.4, --CO.sub.2 R.sup.3, --CONR.sup.3 R.sup.4, --COR.sup.3, --S(O).sub.n R.sup.3 wherein is 0, 1 or 2, (CH.sub.2).sub.m PO(OR.sup.3).sub.
    Type: Grant
    Filed: January 22, 1993
    Date of Patent: August 30, 1994
    Assignee: Imperial Chemical Industries PLC
    Inventors: John M. Clough, Christopher R. A. Godfrey, Paul J. de Fraine, Ian R. Matthews
  • Patent number: 5221691
    Abstract: Fungicidal compounds having the formula (I): ##STR1## and stereoisomers thereof, wherein A is hydrogen, halo, hydroxy, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, C.sub.1-4 haloalkyl, C.sub.1-4 haloalkoxy, C.sub.1-4 alkylcarbonyl, C.sub.1-4 alkoxycarbonyl, phenoxy, nitro or cyano; R.sup.1 and R.sup.2, which may be the same or different, are hydrogen, optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted heterocyclylalkyl, optionally substituted cycloalkylalkyl, optionally substituted aralkyl, optionally substituted aryloxyalkyl, optionally substituted heterocyclyloxyalkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted alkoxy, optionally substituted aryl, optionally substituted heterocyclyl, optionally substituted aryloxy, optionally substituted heterocyclyloxy, nitro, halo, cyano, --NR.sup.3 R.sup.4, --CO.sub.2 R.sup.3, --CONR.sup.3 R.sup.4, --COR.sup.3, --S(O).sub.n R.sup.3 wherein n is 0, 1 or 2, (CH.sub.2).sub.m PO(OR.sup.3).sub.
    Type: Grant
    Filed: January 29, 1992
    Date of Patent: June 22, 1993
    Assignee: Imperial Chemical Industries PLC
    Inventors: John M. Clough, Christopher R. A. Godfrey, Paul J. de Fraine, Ian R. Matthews
  • Patent number: 5153199
    Abstract: Compounds having the general formula (I): ##STR1## and optical isomers thereof, wherein X is oxygen or sulphur; R.sup.1 is halogen, C.sub.1-4 alkoxy or C.sub.1-4 haloalkoxy; R.sup.2 and R.sup.3, which are the same or different, are hydrogen, --CO.sub.2 R.sup.5 or C.sub.1-4 alkyl; R.sup.4 is hydrogen, cyano, C.sub.1-4 alkyl (optionally substituted with cyano or halogen), --(CH.sub.2).sub.n CO.sub.2 R.sup.6, --CONR.sup.6 R.sup.7, C.sub.3-6 cycloalkyl, C.sub.2-4 alkenyl, C.sub.2-4 alkynyl, optionally substituted phenyl or optionally substituted heteroaromatic; or the group CR.sup.2 R.sup.3 R.sup.4 can form an allene moiety optionally substituted with C.sub.1-4 alkyl; R.sup.5, R.sup.6 and R.sup.7, which are the same or different, are hydrogen or C.sub.1-4 alkyl; n is 0, 1, 2, 3 or 4; and metal complexes thereof are active as fungicides.
    Type: Grant
    Filed: December 19, 1990
    Date of Patent: October 6, 1992
    Assignee: Imperial Chemical Industries PLC
    Inventors: Don R. Baker, Patrick J. Crowley, Paul A. Worthington, Ian R. Matthews
  • Patent number: 5126338
    Abstract: Compounds of having the general formula (I): ##STR1## and stereoisomers thereof, wherein R.sup.1 is hydrogen, halogen, C.sub.1-4 alkoxy, C.sub.1-4 alkyl, C.sub.2-4 alkenyl, C.sub.2-4 alkynyl, C.sub.1-4 haloalkyl, C.sub.1-4 haloalkoxy, COR or cyano; R.sup.2, R.sup.3 and R.sup.4 are independently hydrogen, halogen or methyl, provided that R.sup.2, R.sup.3 and R.sup.4 are not all hydrogen and provided that when one of them is methyl then at least one of the other two is not hydrogen; ##STR2## wherein R.sup.5 is hydrogen, C.sub.1-4 alkyl (optionally substituted by hydrogen or cyano), optionally substituted benzyl, C.sub.2-4 alkenyl, C.sub.2-4 alkynyl, cyano, COR, C.sub.1-4 thioalkoxy, C.sub.1-4 thiohaloalkoxy or SNR.sup.7 R.sup.8 ; R.sup.7 and R.sup.8 are independently C.sub.1-4 alkyl or CO.sub.2 R; Y is oxygen or sulphur; R.sup.6 is C.sub.1-4 alkoxy, C.sub.1-4 thioalkoxy or --NR.sup.9 R.sup.10 ; and R.sup.9 and R.sup.10 are independently hydrogen, C.sub.1-4 alkyl, aryl or aralkyl or R.sup.9 and R.sup.
    Type: Grant
    Filed: January 3, 1991
    Date of Patent: June 30, 1992
    Assignee: Imperial Chemical Industries PLC
    Inventors: Paul A. Worthington, Ian R. Matthews, David Bartholomew, Patrick J. Crowley, Don R. Baker, Karl J. Fisher
  • Patent number: 5100886
    Abstract: A metal complex having the general formula (I): ##STR1## wherein R.sup.1 is C.sub.1-4 alkoxy, C.sub.1-4 haloalkoxy, or C.sub.2-4 alkenyloxy; R.sup.2 is hydrogen or cyano; R.sup.3 is hydrogen or methyl; X is oxygen or sulphur; M.sub.p Y.sub.q is a transition metal salt wherein M is a transition metal cation, Y is an anion and p and q are independently 1, 2 or 3 according to valency requirements; and n is 1 or 2. The metal complexes of formula (I) are active as fungicides.
    Type: Grant
    Filed: November 8, 1990
    Date of Patent: March 31, 1992
    Assignee: Imperial Chemical Industries PLC
    Inventors: David Seaman, Ian R. Matthews, Neal R. Bird